DURANGO—District Attorney Craig Westberg has publicly apologized after his arrest on suspicion of driving under the influence of a sleeping pill.

Westberg, the chief prosecutor for Archuleta, San Juan and La Plata counties in southwest Colorado, was arrested Oct. 10 on suspicion of driving under the influence of a drug and careless driving.

Westberg’s apology was published in Friday’s editions of the Durango Herald. He wrote he had taken Ambien and left home on an errand when his vision suddenly became blurred while he was driving.

“I was not far from home and thought that with concentration, I could still drive home safely,” he wrote. “I should have pulled over, but I did not. I was wrong.”

Westberg wrote that he had been ill and unable to sleep when he decided to take the drug, which had been prescribed to him six months earlier after knee surgery. He said he had left his house to buy vitamin C when he was arrested.

Westberg has said he had not been drinking.

In an interview, Westberg told the Herald he had no plans to resign but was uncertain about how the arrest would affect his ability to perform his job. He was elected in 2004 to a four-year term.

The responsibility for prosecuting the case had been assigned to the Montrose-based 7th Judicial District Attorney’s office.

Westberg was arrested on suspicion of driving under the influence twice in 1978 and once in 1984.

“Having endured the consequences in the ’70s of not drinking responsibly, I am the last person who would intentionally drive under the influence of anything, including a prescription drug,” Westberg wrote in his apology.

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